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Download references. The author thanks Dr. Fuller W. Bazer for helpful discussions and review of the manuscript, colleagues particularly Drs. Bazer, Robert C. Burghardt, Yongqing Hou, Gregory A. Johnson, Sung Woo Kim, Darrell A. Knabe, Defa Li, Wilson G. Pond, Stephen B. Smith, Junjun Wang, Zhenlong Wu, and Yulong Yin for enjoyable collaborations on swine protein digestion and nutrition research, as well as graduate students, postdoctoral fellows, technicians, and visiting scholars for their important contributions to our research program.

Tokyo, Japan , and Gentech Inc. Shanghai, China. This paper is dedicated to the memory of Dr. Darrell A. Knabe, a dear friend of the author, a wonderful human being, and a well-respected scientist. You can also search for this author in PubMed Google Scholar. Correspondence to Guoyao Wu. This article is published under license to BioMed Central Ltd.

Reprints and permissions. Wu, G. Dietary requirements of synthesizable amino acids by animals: a paradigm shift in protein nutrition. J Animal Sci Biotechnol 5 , 34 Download citation.

Received : 02 April Accepted : 08 June Published : 14 June Anyone you share the following link with will be able to read this content:.

Sorry, a shareable link is not currently available for this article. Provided by the Springer Nature SharedIt content-sharing initiative. Skip to main content. Search all BMC articles Search. Download PDF. Review Open access Published: 14 June Dietary requirements of synthesizable amino acids by animals: a paradigm shift in protein nutrition Guoyao Wu 1 Journal of Animal Science and Biotechnology volume 5 , Article number: 34 Cite this article 22k Accesses Citations 34 Altmetric Metrics details.

Abstract Amino acids are building blocks for proteins in all animals. Introduction Amino acids AA are building blocks for proteins and must be present in cells for synthesis of polypeptides [ 1 ].

Definitions of requirements of dietary AA Requirements of dietary AA can be classified as qualitative and quantitative [ 2 ]. Development of the ideal protein concept in animal nutrition Chickens Beginning in the late s, Mitchell and Scott at the University of Illinois conceptualized an ideal protein optimal proportions and amounts of EAA for diets of chickens [ 27 , 28 ].

Table 1 The University of Illinois patterns of amino acid compositions in ideal proteins for chicks during the first three wk post-hatching 1 Full size table.

Table 4 Compositions of amino acids in the whole-body proteins of chicks and pigs Full size table. Conclusion and perspectives Amino acids have versatile and important physiological functions beyond their roles as the building blocks of protein [ ].

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Abstract Cellular protein in ruminal microorganisms generally constitutes a large and important part of the a-amino nitrogen assimilated by the host. Issue Section:. You do not currently have access to this article.

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